cl-syntax-sugar -
cl-syntax-sugar is a Library of reader macros and of helper functions to create new syntax extensions and to use them with ASDF and Slime without enabling them in the global readtable

cl-unicode -
CL-UNICODE is a library which provides Common Lisp implementations with knowledge about Unicode characters including their name, their general category, the scripts and blocks they belong to, their numerical value, and several other properties

trivial-sockets -
WARNING: seems like trivial-socket is not maintained anymore, look at usocket instead (the usocket subversion development branch has a trivial-sockets-compat [named trivial-usocket] package to ease transition for current trivial-sockets users)...